lkml.org 
[lkml]   [2004]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Linux-usb-users] linux 2.6.6, bttv and usb2 data corruption & lockups & poor performance
On Thu, 1 Jul 2004, Duncan Sands wrote:

> > Hardware:
> > Athlon XP 1600+
> > Epox 8KHA+ VIA KT266A
> > BT878 TV-card (bttv card=36 tuner=1)
> > Edimax Via6302 4port PCI Usb2 controller (ehci-hcd)
> > Lacie P3 250GB Usb2 hard drive (usb-storage, reiserfs)
>
> I get hard hangs with a Bt878 + disk activity (every time it hangs,
> the disk activity LED is on). But I don't have usb2. However I have
> a similar processor, Athlon XP 2100+, and motherboard, VIA KT333.
> I'm also using reiserfs (where an OOPS occurred in your system logs).
> I also have a realtek 8139 ethernet card. We both have VIA usb 1.1
> controllers. My hangs happen with both 2.4 and 2.6 kernels. I only
> get hangs if I'm using the bttv card.

Is it possible that you are exceeding the capacity of your PCI bus?

> Are you sure you plugged your device into a usb 2 port, and not a usb 1.1 port?
> Also, some products claim to be usb 2 devices, when they are in fact only usb 1.1.

Be careful about your use of terms. Lots of people think USB-2.0 means
the same as high speed and USB-1.1 means full speed. That's not right;
it's perfectly legal for a USB-2.0 device to run only at full speed.

Alan Stern

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:04    [W:0.051 / U:1.564 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site